415  
FNUS53 KLOT 272100  
FWFLOT  
 
FIRE WEATHER PLANNING FORECAST FOR NORTHERN IL AND NORTHWEST IN  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
400 PM CDT SUN APR 27 2025  
   
DISCUSSION  
 
STRONG AND GUSTY SOUTH WINDS ARE EXPECTED TO PROMOTE A VERY WARM  
DAY ON MONDAY. A SLIGHT SOUTHEAST COMPONENT TO THE WINDS ALONG THE  
LAKE COUNTY ILLINOIS SHORE SHOULD RESULT IN AT LEAST SLIGHTLY  
COOLER TEMPS AND LOWER MIXING HEIGHTS THAN FOR THE REST OF THE  
AREA. SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE MONDAY NIGHT AS A  
COLD FRONT MOVES INTO THE AREA, SOME OF WHICH MAY BE STRONG TO  
SEVERE IF THUNDERSTORMS DO OCCUR.  
 
TUESDAY WILL BE BREEZY AND COOLER BEHIND THE COLD FRONT, THOUGH  
STILL SEASONABLY WARM. MORE SEASONABLE TEMPERATURES ARE IN STORE  
FOR WEDNESDAY, WITH WAVES OF SHOWERS AT TIMES SOME THUNDERSTORMS  
POSSIBLE LATER WEDNESDAY THROUGH THURSDAY.  
 
ILZ014-280915-  
COOK-  
INCLUDING THE CITIES OF CHICAGO, SCHAUMBURG, EVANSTON, OAK LAWN,  
LEMONT, ORLAND PARK, AND PARK FOREST  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS NONE  
CHANCE PRECIP (%) 10 10 40 10  
MAX TEMP (24HR TREND) 80 (+13) 74  
MIN RH % (24HR TREND) 44 (+8) 45  
MIN TEMP (24HR TREND) 51 (+14) 67  
MAX RH % (24HR TREND) 73 (-14) 80  
20FT WIND AM (MPH) S 15-20 SW 15-20  
20FT WIND PM (MPH) SE 7 S 15-20 S 20-25 NW 15-20  
PEAK WIND GUSTS (MPH) 15 36 37 35  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.00  
11 AM MIXING HGT (FT) 1800 3800  
MAX MIXING HGT (FT) 4600 4600  
TRANSPORT WND (MPH) S 33 NW 21  
VENT RATE (MPH-FT) 151800 101200  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE LOWER 50S. EAST WINDS  
AROUND 5 MPH.    
THURSDAY  
SHOWERS. HIGHS IN THE UPPER 60S. SOUTH WINDS 10 TO  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 40S. NORTHWEST WINDS AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS  
AROUND 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. EAST WINDS  
AROUND 5 MPH.  
 
 
 
ILZ006-280915-  
LAKE IL-  
INCLUDING THE CITIES OF WAUKEGAN, BUFFALO GROVE, MUNDELEIN,  
AND GURNEE  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS NONE  
CHANCE PRECIP (%) 10 10 50 10  
MAX TEMP (24HR TREND) 79 (+14) 70  
MIN RH % (24HR TREND) 49 (+7) 50  
MIN TEMP (24HR TREND) 47 (+14) 65  
MAX RH % (24HR TREND) 79 (-9) 80  
20FT WIND AM (MPH) S 15-20 W 15-20  
20FT WIND PM (MPH) SE 6-7 S 15-20 S 20-25 NW 15-20  
PEAK WIND GUSTS (MPH) 16 36 37 35  
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00  
11 AM MIXING HGT (FT) 1800 3500  
MAX MIXING HGT (FT) 4100 4300  
TRANSPORT WND (MPH) S 33 W 31  
VENT RATE (MPH-FT) 135300 133300  
VENT RATE CATEGORY VERY GOOD VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE MID 50S. EAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE MID 40S. EAST WINDS  
AROUND 5 MPH.    
THURSDAY  
SHOWERS. HIGHS IN THE MID 60S. EAST WINDS AROUND  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 40S. NORTHWEST WINDS AROUND 5 MPH.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS  
AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS AROUND 60. NORTH WINDS 5 TO 10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. EAST WINDS  
AROUND 5 MPH.  
 
 
 
INZ001-280915-  
LAKE IN-  
INCLUDING THE CITIES OF GARY, HAMMOND, AND MERRILLVILLE  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 10 40 20  
MAX TEMP (24HR TREND) 79 (+11) 75  
MIN RH % (24HR TREND) 44 (+9) 47  
MIN TEMP (24HR TREND) 49 (+15) 67  
MAX RH % (24HR TREND) 79 (-14) 82  
20FT WIND AM (MPH) S 15-20 SW 15-20  
20FT WIND PM (MPH) SE 5-7 S 15-20 S 15-20 NW 15-20  
PEAK WIND GUSTS (MPH) 35 36 35  
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.01-0.05  
11 AM MIXING HGT (FT) 1800 3900  
MAX MIXING HGT (FT) 4500 4500  
TRANSPORT WND (MPH) S 32 NW 23  
VENT RATE (MPH-FT) 144000 103500  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE MID 50S. SOUTHEAST WINDS  
5 TO 10 MPH.    
THURSDAY  
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 70. SOUTH WINDS 10 TO 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 40S. WEST WINDS 5 TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS  
AROUND 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS AROUND 60. NORTH WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHEAST  
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.  
 
 
 
INZ002-280915-  
PORTER-  
INCLUDING THE CITIES OF PORTAGE, VALPARAISO, AND CHESTERTON  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 40 20  
MAX TEMP (24HR TREND) 79 (+10) 77  
MIN RH % (24HR TREND) 41 (+9) 45  
MIN TEMP (24HR TREND) 48 (+15) 67  
MAX RH % (24HR TREND) 78 (-14) 81  
20FT WIND AM (MPH) S 10-15 SW 15-20  
20FT WIND PM (MPH) SE 5-6 S 10-15 S 15-20 NW 15-20  
PEAK WIND GUSTS (MPH) 32 35 32  
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.01-0.05  
11 AM MIXING HGT (FT) 1900 4100  
MAX MIXING HGT (FT) 4400 4600  
TRANSPORT WND (MPH) S 29 NW 23  
VENT RATE (MPH-FT) 132000 105800  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS  
5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. EAST WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE MID 50S. SOUTHEAST WINDS  
AROUND 5 MPH.    
THURSDAY  
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 70. SOUTH WINDS AROUND 10 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 40S. WEST WINDS 5 TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS  
AROUND 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH  
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.  
 
 
 
ILZ013-280915-  
DUPAGE-  
INCLUDING THE CITIES OF NAPERVILLE, WHEATON, DOWNERS GROVE,  
LOMBARD, AND CAROL STREAM  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS NONE  
CHANCE PRECIP (%) 10 10 50 10  
MAX TEMP (24HR TREND) 81 (+13) 72  
MIN RH % (24HR TREND) 46 (+12) 46  
MIN TEMP (24HR TREND) 51 (+14) 67  
MAX RH % (24HR TREND) 76 (-6) 82  
20FT WIND AM (MPH) S 15-20 W 15-20  
20FT WIND PM (MPH) SE 7 S 15-20 S 20-25 NW 15-20  
PEAK WIND GUSTS (MPH) 36 37 35  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.00  
11 AM MIXING HGT (FT) 1600 3700  
MAX MIXING HGT (FT) 4600 4300  
TRANSPORT WND (MPH) S 35 NW 21  
VENT RATE (MPH-FT) 165600 94600  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE LOWER 50S. EAST WINDS  
AROUND 5 MPH.    
THURSDAY  
SHOWERS. HIGHS IN THE UPPER 60S. SOUTH WINDS 10 TO  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 40S. NORTHWEST WINDS AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS  
10 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. EAST WINDS  
AROUND 5 MPH.  
 
 
 
ILZ012-280915-  
KANE-  
INCLUDING THE CITIES OF AURORA AND ELGIN  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS NONE  
CHANCE PRECIP (%) 10 10 50 10  
MAX TEMP (24HR TREND) 81 (+14) 70  
MIN RH % (24HR TREND) 51 (+15) 48  
MIN TEMP (24HR TREND) 50 (+16) 65  
MAX RH % (24HR TREND) 80 (-5) 83  
20FT WIND AM (MPH) S 15-20 W 15-20  
20FT WIND PM (MPH) SE 7-8 S 15-20 S 20-25 NW 15-20  
PEAK WIND GUSTS (MPH) 17 37 37 35  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.00  
11 AM MIXING HGT (FT) 1700 3400  
MAX MIXING HGT (FT) 4600 4300  
TRANSPORT WND (MPH) S 36 W 28  
VENT RATE (MPH-FT) 170200 124700  
VENT RATE CATEGORY VERY GOOD VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST  
WINDS AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. EAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS AROUND 50. EAST WINDS 5 TO  
10 MPH.    
THURSDAY  
SHOWERS. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS  
10 TO 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 40S. NORTHWEST WINDS AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS  
10 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. EAST WINDS  
AROUND 5 MPH.  
 
 
 
ILZ005-280915-  
MCHENRY-  
INCLUDING THE CITIES OF CRYSTAL LAKE, ALGONQUIN, MCHENRY,  
AND WOODSTOCK  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS NONE  
CHANCE PRECIP (%) 10 10 50 10  
MAX TEMP (24HR TREND) 79 (+13) 68  
MIN RH % (24HR TREND) 53 (+18) 53  
MIN TEMP (24HR TREND) 49 (+16) 64  
MAX RH % (24HR TREND) 81 (-9) 84  
20FT WIND AM (MPH) S 15-20 W 15-20  
20FT WIND PM (MPH) SE 7-8 S 15-20 S 20-25 NW 15-20  
PEAK WIND GUSTS (MPH) 17 37 37 35  
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00  
11 AM MIXING HGT (FT) 1700 3500  
MAX MIXING HGT (FT) 3900 4100  
TRANSPORT WND (MPH) S 35 NW 23  
VENT RATE (MPH-FT) 140400 94300  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH  
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE UPPER 50S. EAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE UPPER 40S. EAST WINDS  
AROUND 5 MPH.    
THURSDAY  
SHOWERS. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 40S. NORTHWEST WINDS 5 TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS  
AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. EAST WINDS  
AROUND 5 MPH.  
 
 
 
ILZ004-280915-  
BOONE-  
INCLUDING THE CITY OF BELVIDERE  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE TSTMS TSTMS NONE  
CHANCE PRECIP (%) 10 20 50 10  
MAX TEMP (24HR TREND) 80 (+13) 68  
MIN RH % (24HR TREND) 52 (+18) 51  
MIN TEMP (24HR TREND) 49 (+17) 63  
MAX RH % (24HR TREND) 80 (-9) 83  
20FT WIND AM (MPH) S 15-20 W 15-20  
20FT WIND PM (MPH) SE 8 S 15-20 S 20-25 NW 15-20  
PEAK WIND GUSTS (MPH) 17 38 39 34  
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.00  
11 AM MIXING HGT (FT) 1700 3600  
MAX MIXING HGT (FT) 3900 4100  
TRANSPORT WND (MPH) S 36 NW 23  
VENT RATE (MPH-FT) 144300 94300  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH  
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE UPPER 40S. EAST WINDS  
5 TO 10 MPH.    
THURSDAY  
SHOWERS. HIGHS IN THE MID 60S. NORTH WINDS AROUND  
10 MPH, BECOMING WEST IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 40S. NORTHWEST WINDS 5 TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS  
AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHEAST  
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.  
 
 
 
ILZ011-280915-  
DE KALB-  
INCLUDING THE CITIES OF DEKALB AND SYCAMORE  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS NONE  
CHANCE PRECIP (%) 10 10 50 10  
MAX TEMP (24HR TREND) 80 (+12) 69  
MIN RH % (24HR TREND) 51 (+17) 48  
MIN TEMP (24HR TREND) 50 (+16) 64  
MAX RH % (24HR TREND) 80 (-5) 83  
20FT WIND AM (MPH) S 15-20 W 15-20  
20FT WIND PM (MPH) S 8-9 S 15-20 S 20-25 NW 15-20  
PEAK WIND GUSTS (MPH) 18 37 37 34  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.00  
11 AM MIXING HGT (FT) 1700 3500  
MAX MIXING HGT (FT) 4500 4000  
TRANSPORT WND (MPH) S 35 W 27  
VENT RATE (MPH-FT) 162000 112000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. EAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE LOWER 50S. EAST WINDS  
AROUND 10 MPH.    
THURSDAY  
SHOWERS. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS  
AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 40S. NORTHWEST WINDS AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS  
10 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHEAST  
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.  
 
 
 
ILZ003-280915-  
WINNEBAGO-  
INCLUDING THE CITY OF ROCKFORD  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE TSTMS TSTMS NONE  
CHANCE PRECIP (%) 10 20 50 10  
MAX TEMP (24HR TREND) 80 (+12) 67  
MIN RH % (24HR TREND) 52 (+21) 48  
MIN TEMP (24HR TREND) 50 (+14) 62  
MAX RH % (24HR TREND) 81 (-6) 82  
20FT WIND AM (MPH) S 15-20 W 15-20  
20FT WIND PM (MPH) S 7-9 S 15-20 S 20-25 NW 15-20  
PEAK WIND GUSTS (MPH) 19 39 39 34  
PRECIP AMOUNT (IN) 0.00 0.01-0.05 0.01-0.05 0.00  
11 AM MIXING HGT (FT) 1700 3500  
MAX MIXING HGT (FT) 4000 4200  
TRANSPORT WND (MPH) S 36 NW 20  
VENT RATE (MPH-FT) 148000 88200  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST  
WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. EAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE UPPER 40S. EAST WINDS  
5 TO 10 MPH.    
THURSDAY  
SHOWERS. HIGHS IN THE MID 60S. EAST WINDS AROUND  
10 MPH, BECOMING WEST IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 40S. NORTHWEST WINDS 5 TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS  
AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHEAST  
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.  
 
 
 
ILZ008-280915-  
OGLE-  
INCLUDING THE CITIES OF ROCHELLE, OREGON, AND BYRON  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS NONE  
CHANCE PRECIP (%) 20 20 50 10  
MAX TEMP (24HR TREND) 81 (+12) 68  
MIN RH % (24HR TREND) 51 (+20) 46  
MIN TEMP (24HR TREND) 51 (+15) 61  
MAX RH % (24HR TREND) 78 (-5) 83  
20FT WIND AM (MPH) S 15-20 W 15-20  
20FT WIND PM (MPH) S 8-9 S 15-20 S 20-25 NW 15-20  
PEAK WIND GUSTS (MPH) 18 38 37 34  
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00  
11 AM MIXING HGT (FT) 1800 3400  
MAX MIXING HGT (FT) 4100 4000  
TRANSPORT WND (MPH) S 36 NW 20  
VENT RATE (MPH-FT) 151700 84000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST  
WINDS AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
LOWER 60S. EAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE LOWER 50S. EAST WINDS  
5 TO 10 MPH.    
THURSDAY  
SHOWERS. HIGHS IN THE MID 60S. EAST WINDS AROUND  
10 MPH, BECOMING WEST IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 40S. NORTHWEST WINDS AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS  
10 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.  
 
 
 
ILZ010-280915-  
LEE-  
INCLUDING THE CITY OF DIXON  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS NONE  
CHANCE PRECIP (%) 10 10 50 10  
MAX TEMP (24HR TREND) 82 (+12) 68  
MIN RH % (24HR TREND) 50 (+19) 47  
MIN TEMP (24HR TREND) 51 (+15) 63  
MAX RH % (24HR TREND) 78 (-7) 84  
20FT WIND AM (MPH) S 15-20 W 15-20  
20FT WIND PM (MPH) S 8-9 S 15-20 S 20-25 NW 15-20  
PEAK WIND GUSTS (MPH) 18 37 37 34  
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.00  
11 AM MIXING HGT (FT) 1900 3400  
MAX MIXING HGT (FT) 4600 4100  
TRANSPORT WND (MPH) S 36 NW 19  
VENT RATE (MPH-FT) 170200 82000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS AROUND 5 MPH,  
BECOMING NORTHEAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER 60S.  
EAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE LOWER 50S. EAST WINDS  
AROUND 10 MPH.    
THURSDAY  
SHOWERS. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND  
10 MPH, BECOMING WEST IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE UPPER 40S. NORTHWEST WINDS AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
10 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHEAST  
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.  
 
 
 
ILZ019-280915-  
LA SALLE-  
INCLUDING THE CITIES OF OTTAWA, STREATOR, LA SALLE, MENDOTA,  
AND MARSEILLES  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS SHOWERS  
CHANCE PRECIP (%) 10 10 50 10  
MAX TEMP (24HR TREND) 83 (+12) 73  
MIN RH % (24HR TREND) 49 (+19) 45  
MIN TEMP (24HR TREND) 52 (+16) 66  
MAX RH % (24HR TREND) 76 (-12) 80  
20FT WIND AM (MPH) S 15-20 W 15-20  
20FT WIND PM (MPH) S 7 S 15-20 S 20-25 NW 15-20  
PEAK WIND GUSTS (MPH) 18 37 37 33  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.00  
11 AM MIXING HGT (FT) 2000 3500  
MAX MIXING HGT (FT) 5100 4000  
TRANSPORT WND (MPH) S 34 NW 20  
VENT RATE (MPH-FT) 178500 84000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH  
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE MID 60S. EAST  
WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE MID 50S. EAST WINDS  
AROUND 10 MPH.    
THURSDAY  
SHOWERS. HIGHS AROUND 70. SOUTHWEST WINDS 10 TO  
15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE LOWER 50S. NORTHWEST WINDS AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
10 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. EAST WINDS  
AROUND 5 MPH.  
 
 
 
ILZ020-280915-  
KENDALL-  
INCLUDING THE CITIES OF OSWEGO, YORKVILLE, AND PLANO  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS NONE  
CHANCE PRECIP (%) 10 10 50 10  
MAX TEMP (24HR TREND) 82 (+13) 72  
MIN RH % (24HR TREND) 49 (+13) 48  
MIN TEMP (24HR TREND) 50 (+15) 66  
MAX RH % (24HR TREND) 79 (-10) 83  
20FT WIND AM (MPH) S 15-20 W 15-20  
20FT WIND PM (MPH) SE 7 S 15-20 S 15-20 NW 15-20  
PEAK WIND GUSTS (MPH) 36 37 34  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.00  
11 AM MIXING HGT (FT) 1800 3500  
MAX MIXING HGT (FT) 4800 4100  
TRANSPORT WND (MPH) S 35 W 27  
VENT RATE (MPH-FT) 172800 114800  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS  
AROUND 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. EAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE LOWER 50S. EAST WINDS  
AROUND 10 MPH.    
THURSDAY  
SHOWERS. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS  
10 TO 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS AROUND 50. NORTHWEST WINDS AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
10 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. EAST WINDS  
AROUND 5 MPH.  
 
 
 
ILZ021-280915-  
GRUNDY-  
INCLUDING THE CITIES OF MORRIS, COAL CITY, AND MINOOKA  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS SHOWERS  
CHANCE PRECIP (%) 10 10 40 10  
MAX TEMP (24HR TREND) 83 (+13) 74  
MIN RH % (24HR TREND) 47 (+14) 48  
MIN TEMP (24HR TREND) 51 (+16) 67  
MAX RH % (24HR TREND) 77 (-14) 82  
20FT WIND AM (MPH) S 15-20 W 15-20  
20FT WIND PM (MPH) SE 7 S 15-20 S 15-20 W 15-20  
PEAK WIND GUSTS (MPH) 17 36 36 33  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.00  
11 AM MIXING HGT (FT) 2000 3800  
MAX MIXING HGT (FT) 5100 4100  
TRANSPORT WND (MPH) S 33 W 21  
VENT RATE (MPH-FT) 168300 90200  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH  
WINDS AROUND 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE MID 60S. EAST  
WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE MID 50S. EAST WINDS  
AROUND 10 MPH.    
THURSDAY  
SHOWERS IN THE MORNING, THEN SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70.  
SOUTHWEST WINDS 10 TO 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE LOWER 50S. WEST WINDS AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
10 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHEAST  
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.  
 
 
 
ILZ022-280915-  
WILL-  
INCLUDING THE CITIES OF JOLIET, BOLINGBROOK, AND WILMINGTON  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS SHOWERS  
CHANCE PRECIP (%) 10 10 40 10  
MAX TEMP (24HR TREND) 82 (+14) 74  
MIN RH % (24HR TREND) 47 (+11) 48  
MIN TEMP (24HR TREND) 50 (+15) 67  
MAX RH % (24HR TREND) 79 (-13) 84  
20FT WIND AM (MPH) S 15-20 SW 15-20  
20FT WIND PM (MPH) SE 6-7 S 15-20 S 15-20 NW 15-20  
PEAK WIND GUSTS (MPH) 16 36 37 34  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.00  
11 AM MIXING HGT (FT) 1700 3700  
MAX MIXING HGT (FT) 4700 4200  
TRANSPORT WND (MPH) S 34 W 23  
VENT RATE (MPH-FT) 164500 96600  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS  
5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 60S. EAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE MID 50S. EAST WINDS 5 TO  
10 MPH.    
THURSDAY  
SHOWERS IN THE MORNING, THEN SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. SOUTH  
WINDS 10 TO 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS AROUND 50. WEST WINDS AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
10 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. EAST WINDS  
AROUND 5 MPH.  
 
 
 
ILZ032-280915-  
LIVINGSTON-  
INCLUDING THE CITIES OF PONTIAC, DWIGHT, AND FAIRBURY  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 10 10 40 20  
MAX TEMP (24HR TREND) 83 (+13) 76  
MIN RH % (24HR TREND) 48 (+19) 47  
MIN TEMP (24HR TREND) 51 (+17) 67  
MAX RH % (24HR TREND) 78 (-14) 85  
20FT WIND AM (MPH) S 15-20 W 15-20  
20FT WIND PM (MPH) S 7-8 S 15-20 S 20-25 W 15-20  
PEAK WIND GUSTS (MPH) 17 37 37 33  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.01-0.05  
11 AM MIXING HGT (FT) 2000 3600  
MAX MIXING HGT (FT) 5100 3900  
TRANSPORT WND (MPH) S 34 W 20  
VENT RATE (MPH-FT) 178500 81900  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH  
WINDS AROUND 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE UPPER 60S.  
EAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE UPPER 50S. SOUTHEAST  
WINDS AROUND 10 MPH.    
THURSDAY  
SHOWERS IN THE MORNING, THEN SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE LOWER 50S. WEST WINDS AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
10 TO 15 MPH.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHEAST  
WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.  
 
 
 
ILZ023-280915-  
KANKAKEE-  
INCLUDING THE CITIES OF KANKAKEE, BOURBONNAIS, AND BRADLEY  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 10 10 40 20  
MAX TEMP (24HR TREND) 81 (+13) 76  
MIN RH % (24HR TREND) 46 (+11) 47  
MIN TEMP (24HR TREND) 49 (+14) 67  
MAX RH % (24HR TREND) 82 (-10) 85  
20FT WIND AM (MPH) S 15-20 SW 15-20  
20FT WIND PM (MPH) SE 6-7 S 15-20 S 15-20 W 15-20  
PEAK WIND GUSTS (MPH) 35 36 33  
PRECIP AMOUNT (IN) 0.00 0.00 0.05-0.10 0.01-0.05  
11 AM MIXING HGT (FT) 1700 3800  
MAX MIXING HGT (FT) 4800 4300  
TRANSPORT WND (MPH) S 33 W 23  
VENT RATE (MPH-FT) 158400 98900  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS  
5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE MID 60S. EAST  
WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE MID 50S. SOUTHEAST WINDS  
5 TO 10 MPH.    
THURSDAY  
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 70. SOUTH WINDS 10 TO 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS AROUND 50. WEST WINDS AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
AROUND 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHEAST  
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.  
 
 
 
ILZ039-280915-  
FORD-  
INCLUDING THE CITIES OF PAXTON AND GIBSON CITY  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 10 10 30 30  
MAX TEMP (24HR TREND) 82 (+13) 79  
MIN RH % (24HR TREND) 47 (+16) 48  
MIN TEMP (24HR TREND) 50 (+14) 67  
MAX RH % (24HR TREND) 80 (-7) 84  
20FT WIND AM (MPH) S 15-20 SW 15-20  
20FT WIND PM (MPH) SE 7-8 S 15-20 S 15-20 W 15-20  
PEAK WIND GUSTS (MPH) 16 36 36 33  
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.01-0.05  
11 AM MIXING HGT (FT) 1800 3400  
MAX MIXING HGT (FT) 4900 4000  
TRANSPORT WND (MPH) S 32 W 23  
VENT RATE (MPH-FT) 156800 92000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS AROUND 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE UPPER 60S.  
EAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE UPPER 50S. EAST WINDS  
AROUND 10 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
THURSDAY  
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. WEST WINDS  
AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
10 TO 15 MPH.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHEAST  
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.  
 
 
 
ILZ033-280915-  
IROQUOIS-  
INCLUDING THE CITIES OF WATSEKA AND GILMAN  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 10 10 40 20  
MAX TEMP (24HR TREND) 82 (+14) 79  
MIN RH % (24HR TREND) 45 (+11) 47  
MIN TEMP (24HR TREND) 49 (+14) 67  
MAX RH % (24HR TREND) 82 (-6) 84  
20FT WIND AM (MPH) S 15-20 SW 10-15  
20FT WIND PM (MPH) SE 6-7 S 15-20 S 15-20 W 10-15  
PEAK WIND GUSTS (MPH) 35 35 31  
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.01-0.05  
11 AM MIXING HGT (FT) 1800 3600  
MAX MIXING HGT (FT) 4800 4200  
TRANSPORT WND (MPH) S 31 W 23  
VENT RATE (MPH-FT) 148800 96600  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS AROUND 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE UPPER 60S.  
EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS, WARMER. LOWS IN THE UPPER 50S.  
SOUTHEAST WINDS 5 TO 10 MPH.    
THURSDAY  
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 70. SOUTH WINDS AROUND 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. WEST WINDS  
5 TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
AROUND 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH  
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.  
 
 
 
INZ010-280915-  
NEWTON-  
INCLUDING THE CITIES OF ROSELAWN, KENTLAND, AND MOROCCO  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 10 40 20  
MAX TEMP (24HR TREND) 80 (+13) 78  
MIN RH % (24HR TREND) 43 (+10) 48  
MIN TEMP (24HR TREND) 49 (+15) 67  
MAX RH % (24HR TREND) 80 (-10) 83  
20FT WIND AM (MPH) S 10-15 SW 15-20  
20FT WIND PM (MPH) SE 5-6 S 10-15 S 15-20 W 15-20  
PEAK WIND GUSTS (MPH) 31 33 33  
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.01-0.05  
11 AM MIXING HGT (FT) 1800 3900  
MAX MIXING HGT (FT) 4600 4300  
TRANSPORT WND (MPH) S 31 W 24  
VENT RATE (MPH-FT) 142600 103200  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHEAST  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE MID 60S. EAST  
WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE UPPER 50S. EAST WINDS  
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
THURSDAY  
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 70. SOUTH WINDS 10 TO 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. WEST WINDS  
5 TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
AROUND 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH  
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.  
 
 
 
INZ011-280915-  
JASPER-  
INCLUDING THE CITIES OF RENSSELAER AND DEMOTTE  
400 PM CDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 40 20  
MAX TEMP (24HR TREND) 80 (+13) 80  
MIN RH % (24HR TREND) 41 (+8) 46  
MIN TEMP (24HR TREND) 49 (+15) 68  
MAX RH % (24HR TREND) 79 (-13) 81  
20FT WIND AM (MPH) S 10-15 SW 15-20  
20FT WIND PM (MPH) SE 5-6 S 10-15 S 15-20 W 15-20  
PEAK WIND GUSTS (MPH) 31 32 33  
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.01-0.05  
11 AM MIXING HGT (FT) 1900 4000  
MAX MIXING HGT (FT) 4400 4400  
TRANSPORT WND (MPH) S 29 W 25  
VENT RATE (MPH-FT) 132000 110000  
VENT RATE CATEGORY VERY GOOD GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH  
WINDS 5 TO 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE MID 60S. EAST  
WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT  
SHOWERS. LOWS IN THE MID 50S. EAST WINDS  
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
THURSDAY  
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 70. SOUTH WINDS 10 TO 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50. WEST WINDS 5 TO  
10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
AROUND 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS  
5 TO 10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH  
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.  
 
 
 
INZ019-280915-  
BENTON-  
INCLUDING THE CITIES OF FOWLER AND OXFORD  
500 PM EDT SUN APR 27 2025  
 
TONIGHT MON MON NIGHT TUE  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 40 40  
MAX TEMP (24HR TREND) 81 (+14) 80  
MIN RH % (24HR TREND) 44 (+9) 50  
MIN TEMP (24HR TREND) 49 (+14) 68  
MAX RH % (24HR TREND) 80 (-7) 82  
20FT WIND AM (MPH) S 10-15 SW 15-20  
20FT WIND PM (MPH) SE 5-6 S 10-15 S 15-20 W 15-20  
PEAK WIND GUSTS (MPH) 31 32 32  
PRECIP AMOUNT (IN) 0.00 0.00 0.01-0.05 0.05-0.10  
11 AM MIXING HGT (FT) 1800 3500  
MAX MIXING HGT (FT) 4400 4300  
TRANSPORT WND (MPH) S 28 W 27  
VENT RATE (MPH-FT) 127600 120400  
VENT RATE CATEGORY VERY GOOD VERY GOOD  
   
FORECAST FOR DAYS 3 THROUGH 7  
 
(WINDS ARE 20 FT LEVEL)  
   
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS AROUND 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE UPPER 60S.  
EAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT  
SHOWERS, WARMER. LOWS IN THE UPPER 50S. EAST  
WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
THURSDAY  
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 70. SOUTHWEST WINDS AROUND 15 MPH.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. WEST WINDS  
5 TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
AROUND 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 5 MPH.    
SATURDAY  
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH  
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.  
 
 
 
RC  
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